Your stink bug: https://bugguide.net/node/view/1344968 and https://bugguide.net/node/view/1417587 Stink Bugs (Pentatomidae) » Pentatominae » Nezarini » Chlorochroa » Subgenus Chlorochroa (Chlorochroa Subgenus Chlorochroa) » Conchuela Bug (Chlorochroa ligata). In the US, we usually reserve 'Shield Bug' for the hemipterans with the wings nearly hidden by the scutellum, in yours, it's the triangle in the front of the wings. Example https://bugguide.net/node/view/1124945. Good series of a burgeoning biota!
Your stink bug: https://bugguide.net/node/view/1344968 and https://bugguide.net/node/view/1417587 Stink Bugs (Pentatomidae) » Pentatominae » Nezarini » Chlorochroa » Subgenus Chlorochroa (Chlorochroa Subgenus Chlorochroa) » Conchuela Bug (Chlorochroa ligata). In the US, we usually reserve 'Shield Bug' for the hemipterans with the wings nearly hidden by the scutellum, in yours, it's the triangle in the front of the wings. Example https://bugguide.net/node/view/1124945. Good series of a burgeoning biota!